package com.mac.intellect_flow.sys.service.impl;

import cn.hutool.core.collection.CollectionUtil;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.mac.intellect_flow.enums.ResultCodeEnum;
import com.mac.intellect_flow.except.ServiceException;
import com.mac.intellect_flow.framework.dto.SysDeptDto;
import com.mac.intellect_flow.framework.dto.SysRoleDto;
import com.mac.intellect_flow.framework.dto.SysUserDto;
import com.mac.intellect_flow.framework.service.CurSysUserService;
import com.mac.intellect_flow.framework.util.SecurityUtils;
import com.mac.intellect_flow.reply.PageParam;
import com.mac.intellect_flow.reply.PageResult;
import com.mac.intellect_flow.sys.entity.*;
import com.mac.intellect_flow.sys.mapper.*;
import com.mac.intellect_flow.sys.service.SysConfigService;
import com.mac.intellect_flow.sys.service.SysDeptService;
import com.mac.intellect_flow.sys.service.SysUserService;
import com.mac.intellect_flow.util.validation.ValidationUtils;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang3.ArrayUtils;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.CollectionUtils;

import javax.validation.Validator;
import java.util.ArrayList;
import java.util.List;
import java.util.Objects;
import java.util.stream.Collectors;

/**
 * 用户 业务层处理
 * 
 * @author mac
 */
@Slf4j
@Service
public class SysUserServiceImpl implements SysUserService, CurSysUserService {

    @Autowired
    private SysUserMapper userMapper;

    @Autowired
    private SysRoleMapper roleMapper;

    @Autowired
    private SysPostMapper postMapper;

    @Autowired
    private SysUserRoleMapper userRoleMapper;

    @Autowired
    private SysUserPostMapper userPostMapper;

    @Autowired
    private SysConfigService configService;

    @Autowired
    private SysDeptService deptService;

    @Autowired
    protected Validator validator;

    @Autowired
    private BCryptPasswordEncoder passwordEncoder;

    /**
     * 根据条件分页查询用户列表
     * 
     * @param user 用户信息
     * @return 用户信息集合信息
     */
    @Override
    public List<SysUser> selectUserList(SysUser user)
    {
        return userMapper.selectUserList(user);
    }

    @Override
    public PageResult<SysUser> queryPage(SysUser user, PageParam pageParam) {
        Page<SysUser> page = new Page<>(pageParam.getPageNo(), pageParam.getPageSize());
        page = userMapper.queryPage(page,user);
        return new PageResult<>(page.getRecords(), page.getTotal(), pageParam.getPageSize(),pageParam.getPageNo());
    }

    /**
     * 根据条件分页查询已分配用户角色列表
     * 
     * @param user 用户信息
     * @return 用户信息集合信息
     */
    @Override
    public List<SysUser> selectAllocatedList(SysUser user)
    {
        return userMapper.selectAllocatedList(user);
    }

    @Override
    public PageResult<SysUser> queryAllocatedPage(SysUser user, PageParam pageParam) {
        Page<SysUser> page = new Page<>(pageParam.getPageNo(), pageParam.getPageSize());
        page = userMapper.queryAllocatedPage(page,user);
        return new PageResult<>(page.getRecords(), page.getTotal(), pageParam.getPageSize(),pageParam.getPageNo());
    }

    /**
     * 根据条件分页查询未分配用户角色列表
     * 
     * @param user 用户信息
     * @return 用户信息集合信息
     */
    @Override
    public List<SysUser> selectUnallocatedList(SysUser user)
    {
        return userMapper.selectUnallocatedList(user);
    }

    @Override
    public PageResult<SysUser> queryUnallocatedPage(SysUser user, PageParam pageParam) {
        Page<SysUser> page = new Page<>(pageParam.getPageNo(), pageParam.getPageSize());
        page = userMapper.queryUnallocatedPage(page,user);
        return new PageResult<>(page.getRecords(), page.getTotal(), pageParam.getPageSize(),pageParam.getPageNo());
    }

    /**
     * 通过用户名查询用户
     * 
     * @param userName 用户名
     * @return 用户对象信息
     */
    @Override
    public SysUserDto selectUserByUserName(String userName) {
        SysUser sysUser = userMapper.selectUserByUserName(userName);
        if (null != sysUser) {
            SysUserDto user = new SysUserDto();
            BeanUtils.copyProperties(sysUser, user);
            if (null != sysUser.getDept()){
                SysDeptDto dept = new SysDeptDto();
                BeanUtils.copyProperties(sysUser.getDept(), dept);
                user.setDept(dept);
            }
            if (null != sysUser.getRoles()){
                List<SysRoleDto> roles = sysUser.getRoles().stream().map(sysRole -> {
                    SysRoleDto role = new SysRoleDto();
                    BeanUtils.copyProperties(sysRole, role);
                    return role;
                }).collect(Collectors.toList());
                user.setRoles(roles);
            }
            return user;
        }
        return null;
    }

    /**
     * 通过用户ID查询用户
     * 
     * @param userId 用户ID
     * @return 用户对象信息
     */
    @Override
    public SysUser selectUserById(Long userId)
    {
        return userMapper.selectUserById(userId);
    }

    /**
     * 查询用户所属角色组
     * 
     * @param userName 用户名
     * @return 结果
     */
    @Override
    public String selectUserRoleGroup(String userName)
    {
        List<SysRole> list = roleMapper.selectRolesByUserName(userName);
        if (CollectionUtils.isEmpty(list))
        {
            return StringUtils.EMPTY;
        }
        return list.stream().map(SysRole::getRoleName).collect(Collectors.joining(","));
    }

    /**
     * 查询用户所属岗位组
     * 
     * @param userName 用户名
     * @return 结果
     */
    @Override
    public String selectUserPostGroup(String userName) {
        List<SysPost> list = postMapper.selectPostsByUserName(userName);
        if (CollectionUtils.isEmpty(list))
        {
            return StringUtils.EMPTY;
        }
        return list.stream().map(SysPost::getPostName).collect(Collectors.joining(","));
    }

    /**
     * 校验用户名称是否唯一
     * 
     * @param user 用户信息
     * @return 结果
     */
    @Override
    public boolean checkUserNameUnique(SysUser user) {
        Long userId = Objects.isNull(user.getId()) ? -1L : user.getId();
        SysUser info = userMapper.checkUserNameUnique(user.getUsername());
        if (!Objects.isNull(info) && info.getId().longValue() != userId.longValue()) {
            return false;
        }
        return true;
    }

    /**
     * 校验手机号码是否唯一
     *
     * @param user 用户信息
     * @return
     */
    @Override
    public boolean checkPhoneUnique(SysUser user)
    {
        Long userId = Objects.isNull(user.getId()) ? -1L : user.getId();
        SysUser info = userMapper.checkPhoneUnique(user.getPhone());
        if (!Objects.isNull(info) && info.getId().longValue() != userId.longValue())
        {
            return false;
        }
        return true;
    }

    /**
     * 校验email是否唯一
     *
     * @param user 用户信息
     * @return
     */
    @Override
    public boolean checkEmailUnique(SysUser user)
    {
        Long userId = Objects.isNull(user.getId()) ? -1L : user.getId();
        SysUser info = userMapper.checkEmailUnique(user.getEmail());
        if (Objects.isNull(info) && info.getId().longValue() != userId.longValue()) {
            return false;
        }
        return true;
    }

    /**
     * 校验用户是否允许操作
     * 
     * @param user 用户信息
     */
    @Override
    public void checkUserAllowed(SysUser user)
    {
        if (!Objects.isNull(user.getId()) && user.isAdmin())
        {
            throw new ServiceException(ResultCodeEnum.INTERNAL_SERVER_ERROR.getCode(),"不允许操作超级管理员用户");
        }
    }

    /**
     * 校验用户是否有数据权限
     * 
     * @param userId 用户id
     */
    @Override
    public void checkUserDataScope(Long userId)
    {
        if (!SysUser.isAdmin(SecurityUtils.getUserId()))
        {
            SysUser user = new SysUser();
            user.setId(userId);
            List<SysUser> users = this.selectUserList(user);
            if (CollectionUtil.isEmpty(users)) {
                throw new ServiceException(ResultCodeEnum.INTERNAL_SERVER_ERROR.getCode(),"没有权限访问用户数据！");
            }
        }
    }

    /**
     * 新增保存用户信息
     * 
     * @param user 用户信息
     * @return 结果
     */
    @Override
    @Transactional
    public int insertUser(SysUserDto user)
    {
        // 新增用户信息
        SysUser userInfo = new SysUser();
        BeanUtils.copyProperties(user, userInfo);
        int rows = userMapper.insertUser(userInfo);
        // 新增用户岗位关联
        insertUserPost(user);
        // 新增用户与角色管理
        insertUserRole(user);
        return rows;
    }

    /**
     * 注册用户信息
     * 
     * @param user 用户信息
     * @return 结果
     */
    @Override
    public boolean registerUser(SysUser user)
    {
        return userMapper.insertUser(user) > 0;
    }

    /**
     * 修改保存用户信息
     * 
     * @param user 用户信息
     * @return 结果
     */
    @Override
    @Transactional
    public int updateUser(SysUserDto user)
    {
        Long userId = user.getId();
        // 删除用户与角色关联
        userRoleMapper.deleteUserRoleByUserId(userId);
        // 新增用户与角色管理
        insertUserRole(user);
        // 删除用户与岗位关联
        userPostMapper.deleteUserPostByUserId(userId);
        // 新增用户与岗位管理
        insertUserPost(user);
        SysUser userInfo = new SysUser();
        BeanUtils.copyProperties(user, userInfo);
        return userMapper.updateUser(userInfo);
    }

    /**
     * 用户授权角色
     * 
     * @param userId 用户ID
     * @param roleIds 角色组
     */
    @Override
    @Transactional
    public void insertUserAuth(Long userId, Long[] roleIds)
    {
        userRoleMapper.deleteUserRoleByUserId(userId);
        insertUserRole(userId, roleIds);
    }

    /**
     * 修改用户状态
     * 
     * @param user 用户信息
     * @return 结果
     */
    @Override
    public int updateUserStatus(SysUser user)
    {
        return userMapper.updateUser(user);
    }

    /**
     * 修改用户基本信息
     * 
     * @param user 用户信息
     * @return 结果
     */
    @Override
    public int updateUserProfile(SysUser user)
    {
        return userMapper.updateUser(user);
    }

    /**
     * 修改用户头像
     * 
     * @param userName 用户名
     * @param avatar 头像地址
     * @return 结果
     */
    @Override
    public boolean updateUserAvatar(String userName, String avatar)
    {
        return userMapper.updateUserAvatar(userName, avatar) > 0;
    }

    /**
     * 重置用户密码
     * 
     * @param user 用户信息
     * @return 结果
     */
    @Override
    public int resetPwd(SysUser user)
    {
        return userMapper.updateUser(user);
    }

    /**
     * 重置用户密码
     * 
     * @param userName 用户名
     * @param password 密码
     * @return 结果
     */
    @Override
    public int resetUserPwd(String userName, String password)
    {
        return userMapper.resetUserPwd(userName, password);
    }

    /**
     * 新增用户角色信息
     * 
     * @param user 用户对象
     */
    public void insertUserRole(SysUserDto user)
    {
        this.insertUserRole(user.getId(), user.getRoleIds());
    }

    /**
     * 新增用户岗位信息
     * 
     * @param user 用户对象
     */
    public void insertUserPost(SysUserDto user)
    {
        Long[] posts = user.getPostIds();
        if (ArrayUtils.isNotEmpty(posts)) {
            // 新增用户与岗位管理
            List<SysUserPost> list = new ArrayList<>(posts.length);
            for (Long postId : posts)
            {
                SysUserPost up = new SysUserPost();
                up.setUserId(user.getId());
                up.setPostId(postId);
                list.add(up);
            }
            userPostMapper.batchUserPost(list);
        }
    }

    /**
     * 新增用户角色信息
     * 
     * @param userId 用户ID
     * @param roleIds 角色组
     */
    public void insertUserRole(Long userId, Long[] roleIds)
    {
        if (roleIds != null && roleIds.length > 0) {
            // 新增用户与角色管理
            List<SysUserRole> list = new ArrayList<>(roleIds.length);
            for (Long roleId : roleIds)
            {
                SysUserRole ur = new SysUserRole();
                ur.setUserId(userId);
                ur.setRoleId(roleId);
                list.add(ur);
            }
            userRoleMapper.batchUserRole(list);
        }
    }

    /**
     * 通过用户ID删除用户
     * 
     * @param userId 用户ID
     * @return 结果
     */
    @Override
    @Transactional
    public int deleteUserById(Long userId)
    {
        // 删除用户与角色关联
        userRoleMapper.deleteUserRoleByUserId(userId);
        // 删除用户与岗位表
        userPostMapper.deleteUserPostByUserId(userId);
        return userMapper.deleteUserById(userId);
    }

    /**
     * 批量删除用户信息
     * 
     * @param userIds 需要删除的用户ID
     * @return 结果
     */
    @Override
    @Transactional
    public int deleteUserByIds(Long[] userIds)
    {
        for (Long userId : userIds)
        {
            checkUserAllowed(new SysUser(userId));
            checkUserDataScope(userId);
        }
        // 删除用户与角色关联
        userRoleMapper.deleteUserRole(userIds);
        // 删除用户与岗位关联
        userPostMapper.deleteUserPost(userIds);
        return userMapper.deleteUserByIds(userIds);
    }

    /**
     * 导入用户数据
     * 
     * @param userList 用户数据列表
     * @param isUpdateSupport 是否更新支持，如果已存在，则进行更新数据
     * @param operName 操作用户
     * @return 结果
     */
    @Override
    public String importUser(List<SysUserDto> userList, Boolean isUpdateSupport, String operName) {
        if (CollectionUtils.isEmpty(userList)) {
            throw new ServiceException(ResultCodeEnum.INTERNAL_SERVER_ERROR.getCode(),"导入用户数据不能为空！");
        }
        int successNum = 0;
        int failureNum = 0;
        StringBuilder successMsg = new StringBuilder();
        StringBuilder failureMsg = new StringBuilder();
        for (SysUserDto user : userList) {
            try {
                // 验证是否存在这个用户
                SysUser u = userMapper.selectUserByUserName(user.getUsername());
                if (Objects.isNull(u)) {
                    ValidationUtils.validate(validator, user);
                    deptService.checkDeptDataScope(user.getDeptId());
                    String password = configService.selectConfigByKey("sys.user.initPassword");
                    user.setPassword(passwordEncoder.encode(password));
                    user.setCreateBy(operName);
                    SysUser newUser = new SysUser();
                    BeanUtils.copyProperties(user, newUser);
                    userMapper.insertUser(newUser);
                    successNum++;
                    successMsg.append("<br/>" + successNum + "、账号 " + user.getUsername() + " 导入成功");
                } else if (isUpdateSupport) {
                    ValidationUtils.validate(validator, user);
                    checkUserAllowed(u);
                    checkUserDataScope(u.getId());
                    deptService.checkDeptDataScope(user.getDeptId());
                    user.setId(u.getId());
                    user.setUpdateBy(operName);
                    SysUser newUser = new SysUser();
                    BeanUtils.copyProperties(user, newUser);
                    userMapper.updateUser(newUser);
                    successNum++;
                    successMsg.append("<br/>" + successNum + "、账号 " + user.getUsername() + " 更新成功");
                }
                else
                {
                    failureNum++;
                    failureMsg.append("<br/>" + failureNum + "、账号 " + user.getUsername() + " 已存在");
                }
            }
            catch (Exception e)
            {
                failureNum++;
                String msg = "<br/>" + failureNum + "、账号 " + user.getUsername() + " 导入失败：";
                failureMsg.append(msg + e.getMessage());
                log.error(msg, e);
            }
        }
        if (failureNum > 0)
        {
            failureMsg.insert(0, "很抱歉，导入失败！共 " + failureNum + " 条数据格式不正确，错误如下：");
            throw new ServiceException(ResultCodeEnum.INTERNAL_SERVER_ERROR.getCode(),failureMsg.toString());
        }
        else {
            successMsg.insert(0, "恭喜您，数据已全部导入成功！共 " + successNum + " 条，数据如下：");
        }
        return successMsg.toString();
    }
}
